Scientific American Supplements Volume 74, Issue 1913supp

Purchase To Read More

?Read or download this issue’s articles online. *A printed copy of this issue is not included.

?Read or download this issue’s articles online. Plus, subscribe to get Online and Tablet access to the next 12 new issues to be released as well as Online access to up to the past 4 years of archives. *A printed copy of this issue is not included.

Features

The Earth's Atmosphere

Its Properties and Extent

By Arthur W. Ewell

A Rhine-North Sea Canal

By Our Berlin Correspondent

Xochimilco and its Lake of Gardens

Aztec Irrigation of the Sixteenth Century

By Carl Hawes Butman

Porous Metals

By the Berlin Correspondent of the Scientific American

A Review of the Physics of Light—II

Presidential Address at the Recent Optical Convention in London

By Silvanus P. Thompson*amp*apos;s

The Cost of a Superfluous Language, The Royal Institute of Public Health

The Centenary of the Krupp Works the Rise of a Great Steel Plant

By Alfre Gradenwitz

The Uses of Acetylene

A Review of Twenty Years' Progress

By Vivian B. Lewes

The “Green Flash”

A Natural Phenomenon Illustrated by Artificial Means

The Philosophy of Purchasing Supplies

By Elihu Cunynham Church

Smokeless Powder

With Reference to Its Granular Form

By Charles A. Junken

New Researches on Electric Discharge Phenomena

Some Interesting Experiments With the Ruhmkorff Coil

By M. A. von Luttgendorff

Manufacture and Treatment of Steel for Guns—II

An Industry of About Thirty Years' Standing

By General L. Cubillo

Departments

Purchase To Read More

?Read or download this issue’s articles online. *A printed copy of this issue is not included.

?Read or download this issue’s articles online. Plus, subscribe to get Online and Tablet access to the next 12 new issues to be released as well as Online access to up to the past 4 years of archives. *A printed copy of this issue is not included.

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www.springernature.com/us). Scientific American maintains a strict policy of editorial independence in reporting developments in science to our readers.